The seat is vacant after incumbent Kyrsten Sinema left the Democratic Party to become an independent in December 2023.

Arizona Democratic Senate candidate Ruben Gallego is widening his lead over Republican Kari Lake according to Morning Consult polls.

FOX News 'Special Report' host Bret Baier reports on the balance of the Senate and the close race in Pennsylvania. BRET BAIER ...

If Kamala Harris defeats Donald Trump and wins the presidency, she may still face a Republican Senate that could block her nominees and agenda.

They know abortion, immigration and election denialism matter to voters. The Gaggle dissects how the Presidential candidates ...

The survey, conducted by the Trafalgar Group among 1,088 likely voters, shows the Republican trailing by 4 percentage points, ...

The study by Emerson College and The Hill, conducted in mid September among over 800 likely voters, has the Democrat ahead by ...

Both Senate contenders are turning to key constituencies in law enforcement and the military in a bid to define themselves.

The Senate's majority hangs in the balance of the 2024 election cycle, with more than a dozen seats potentially at play.

For the fifth straight election cycle, Arizona is again voting on a U.S. Senate race. In 2018, Kyrsten Sinema beat out Republican Martha McSally for the Senate seat. She was the first Democrat ...

For the 5th straight election cycle, Arizonans will vote for a U.S. senator. This time voters will elect the successor to Sen ...